Home / 80,589.88-111,211.83-44,778.97

Finding the Fourth Proportional to 80,589.88, 111,211.83 and 44,778.97

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Solution

The fourth proportional to 80,589.88, 111,211.83 and 44,778.97 is: 61,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.88 : 111,211.83 = 44,778.97 : x
  2. Step 2: Convert to fraction form
    80,589.88/111,211.83 = 44,778.97/x
  3. Step 3: Cross multiply
    80,589.88x = 111,211.83 × 44,778.97
  4. Step 4: Simplify right side
    80,589.88x = 4,979,950,643.16
  5. Step 5: Solve for x
    x = 4,979,950,643.16/80,589.88
  6. Step 6: Final answer
    x = 61,793.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.